[PATCH 0/9] powerpc/bpf: Various fixes

[Naveen N. Rao]

Various fixes to the eBPF JIT for powerpc, thanks to some new tests 
added by Johan. This series fixes all failures in test_bpf on powerpc64.  
There are still some failures on powerpc32 to be looked into.

- Naveen


Naveen N. Rao (8):
  powerpc/lib: Add helper to check if offset is within conditional
    branch range
  powerpc/bpf: Validate branch ranges
  powerpc/bpf: Handle large branch ranges with BPF_EXIT
  powerpc/bpf: Fix BPF_MOD when imm == 1
  powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
  powerpc/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06
  powerpc/security: Add a helper to query stf_barrier type
  powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC

Ravi Bangoria (1):
  powerpc/bpf: Remove unused SEEN_STACK

 arch/powerpc/include/asm/code-patching.h     |   1 +
 arch/powerpc/include/asm/ppc-opcode.h        |   1 +
 arch/powerpc/include/asm/security_features.h |   5 +
 arch/powerpc/kernel/security.c               |   5 +
 arch/powerpc/lib/code-patching.c             |   7 +-
 arch/powerpc/net/bpf_jit.h                   |  39 ++++---
 arch/powerpc/net/bpf_jit64.h                 |   8 +-
 arch/powerpc/net/bpf_jit_comp.c              |  28 ++++-
 arch/powerpc/net/bpf_jit_comp32.c            |  10 +-
 arch/powerpc/net/bpf_jit_comp64.c            | 113 ++++++++++++++-----
 10 files changed, 167 insertions(+), 50 deletions(-)


base-commit: 044c2d99d9f43c6d6fde8bed00672517dd9a5a57
-- 
2.33.0